From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Tue, 20 May 2014 16:48:44 +0200 (CEST) Received: from mail-bl2lp0205.outbound.protection.outlook.com ([207.46.163.205]:38185 "EHLO na01-bl2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by eddie.linux-mips.org with ESMTP id S6854988AbaETOsbj9A8a (ORCPT ); Tue, 20 May 2014 16:48:31 +0200 Received: from localhost.localdomain (46.78.192.208) by DM2PR07MB398.namprd07.prod.outlook.com (10.141.104.21) with Microsoft SMTP Server (TLS) id 15.0.944.11; Tue, 20 May 2014 14:47:59 +0000 From: Andreas Herrmann To: CC: David Daney , Andreas Herrmann , Ralf Baechle , James Hogan , Subject: [PATCH 00/15] MIPS: Add mips_paravirt Date: Tue, 20 May 2014 16:47:01 +0200 Message-ID: <1400597236-11352-1-git-send-email-andreas.herrmann@caviumnetworks.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [46.78.192.208] X-ClientProxiedBy: AM3PR01CA004.eurprd01.prod.exchangelabs.com (10.242.240.14) To DM2PR07MB398.namprd07.prod.outlook.com (10.141.104.21) X-Forefront-PRVS: 02176E2458 X-Forefront-Antispam-Report: SFV:NSPM;SFS:(979002)(6069001)(6009001)(428001)(164054003)(199002)(189002)(79102001)(36756003)(48376002)(66066001)(77982001)(92726001)(50466002)(74502001)(46102001)(64706001)(47776003)(80022001)(20776003)(50226001)(33646001)(101416001)(50986999)(76482001)(77156001)(89996001)(42186004)(81542001)(92566001)(62966002)(81342001)(87976001)(93916002)(87286001)(4396001)(83072002)(88136002)(85852003)(21056001)(83322001)(31966008)(74662001)(86362001)(99396002)(102836001)(969003)(989001)(999001)(1009001)(1019001);DIR:OUT;SFP:;SCL:1;SRVR:DM2PR07MB398;H:localhost.localdomain;FPR:;MLV:ovrnspm;PTR:InfoNoRecords;A:1;MX:1;LANG:en; Received-SPF: None (: caviumnetworks.com does not designate permitted sender hosts) Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Andreas.Herrmann@caviumnetworks.com; X-OriginatorOrg: caviumnetworks.com Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 40174 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: andreas.herrmann@caviumnetworks.com Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips Hi, Following patches add support for paravirtualized guest on mips (mips_paravirt). Some of the patches add basic support to run it on octeon3. The core of mips_paravirt is David's work. I rebased his code, rearranged it somewhat (e.g. split it into the current patches) and added some minor modifications. I've run it using lkvm on a host with KVM MIPS-VZ support (on octeon3). I've tested guest kernels built for CPU_MIPS64_R2 and CPU_MIPS32_R2. When the guest kernel is built for CPU_CAVIUM_OCTEON it requires an additional patch to avoid usage of octeon_send_ipi_single in octeon_flush_icache_all_cores. Latest patch for this is not yet included as it caused a regression and needs some rework. To built a mips_paravirt guest kernel it's easiest to start with mips_paravirt_defconfig, check/modify CPU selection (defconfig has CPU_MIPS64_R2), and kick off kernel built. Patches are against v3.15-rc5. Diffstat is arch/mips/Kbuild.platforms | 1 + arch/mips/Kconfig | 30 +- arch/mips/cavium-octeon/Kconfig | 30 +- arch/mips/configs/mips_paravirt_defconfig | 1521 ++++++++++++++++++++ arch/mips/include/asm/cpu-features.h | 9 +- arch/mips/include/asm/cpu-type.h | 1 + .../asm/mach-cavium-octeon/cpu-feature-overrides.h | 1 - .../asm/mach-paravirt/cpu-feature-overrides.h | 36 + arch/mips/include/asm/mach-paravirt/irq.h | 19 + .../include/asm/mach-paravirt/kernel-entry-init.h | 49 + arch/mips/include/asm/mach-paravirt/war.h | 25 + arch/mips/include/asm/mipsregs.h | 72 + arch/mips/include/asm/r4kcache.h | 2 + arch/mips/kernel/Makefile | 2 +- arch/mips/kernel/branch.c | 6 +- arch/mips/kernel/octeon_switch.S | 84 +- arch/mips/kernel/r4k_switch.S | 3 + arch/mips/math-emu/cp1emu.c | 12 +- arch/mips/mm/c-r4k.c | 32 + arch/mips/mm/tlbex.c | 8 +- arch/mips/paravirt/Kconfig | 6 + arch/mips/paravirt/Makefile | 14 + arch/mips/paravirt/Platform | 9 + arch/mips/paravirt/paravirt-irq.c | 388 +++++ arch/mips/paravirt/paravirt-smp.c | 149 ++ arch/mips/paravirt/serial.c | 38 + arch/mips/paravirt/setup.c | 67 + arch/mips/pci/Makefile | 2 +- arch/mips/pci/pci-virtio-guest.c | 140 ++ 29 files changed, 2709 insertions(+), 47 deletions(-) Comments are welcome. Thanks, Andreas From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-bl2lp0205.outbound.protection.outlook.com ([207.46.163.205]:38185 "EHLO na01-bl2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by eddie.linux-mips.org with ESMTP id S6854988AbaETOsbj9A8a (ORCPT ); Tue, 20 May 2014 16:48:31 +0200 From: Andreas Herrmann Subject: [PATCH 00/15] MIPS: Add mips_paravirt Date: Tue, 20 May 2014 16:47:01 +0200 Message-ID: <1400597236-11352-1-git-send-email-andreas.herrmann@caviumnetworks.com> MIME-Version: 1.0 Content-Type: text/plain Return-Path: Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-subscribe: List-owner: List-post: List-archive: To: linux-mips@linux-mips.org Cc: David Daney , Andreas Herrmann , Ralf Baechle , James Hogan , kvm@vger.kernel.org Message-ID: <20140520144701.Uk2iJ5LodloKfv3piKU2KkynxRPApOZ_63FAD8SY_Xw@z> Hi, Following patches add support for paravirtualized guest on mips (mips_paravirt). Some of the patches add basic support to run it on octeon3. The core of mips_paravirt is David's work. I rebased his code, rearranged it somewhat (e.g. split it into the current patches) and added some minor modifications. I've run it using lkvm on a host with KVM MIPS-VZ support (on octeon3). I've tested guest kernels built for CPU_MIPS64_R2 and CPU_MIPS32_R2. When the guest kernel is built for CPU_CAVIUM_OCTEON it requires an additional patch to avoid usage of octeon_send_ipi_single in octeon_flush_icache_all_cores. Latest patch for this is not yet included as it caused a regression and needs some rework. To built a mips_paravirt guest kernel it's easiest to start with mips_paravirt_defconfig, check/modify CPU selection (defconfig has CPU_MIPS64_R2), and kick off kernel built. Patches are against v3.15-rc5. Diffstat is arch/mips/Kbuild.platforms | 1 + arch/mips/Kconfig | 30 +- arch/mips/cavium-octeon/Kconfig | 30 +- arch/mips/configs/mips_paravirt_defconfig | 1521 ++++++++++++++++++++ arch/mips/include/asm/cpu-features.h | 9 +- arch/mips/include/asm/cpu-type.h | 1 + .../asm/mach-cavium-octeon/cpu-feature-overrides.h | 1 - .../asm/mach-paravirt/cpu-feature-overrides.h | 36 + arch/mips/include/asm/mach-paravirt/irq.h | 19 + .../include/asm/mach-paravirt/kernel-entry-init.h | 49 + arch/mips/include/asm/mach-paravirt/war.h | 25 + arch/mips/include/asm/mipsregs.h | 72 + arch/mips/include/asm/r4kcache.h | 2 + arch/mips/kernel/Makefile | 2 +- arch/mips/kernel/branch.c | 6 +- arch/mips/kernel/octeon_switch.S | 84 +- arch/mips/kernel/r4k_switch.S | 3 + arch/mips/math-emu/cp1emu.c | 12 +- arch/mips/mm/c-r4k.c | 32 + arch/mips/mm/tlbex.c | 8 +- arch/mips/paravirt/Kconfig | 6 + arch/mips/paravirt/Makefile | 14 + arch/mips/paravirt/Platform | 9 + arch/mips/paravirt/paravirt-irq.c | 388 +++++ arch/mips/paravirt/paravirt-smp.c | 149 ++ arch/mips/paravirt/serial.c | 38 + arch/mips/paravirt/setup.c | 67 + arch/mips/pci/Makefile | 2 +- arch/mips/pci/pci-virtio-guest.c | 140 ++ 29 files changed, 2709 insertions(+), 47 deletions(-) Comments are welcome. Thanks, Andreas